3437689249 has 2 divisors, whose sum is σ = 3437689250. Its totient is φ = 3437689248.

The previous prime is 3437689219. The next prime is 3437689267. The reversal of 3437689249 is 9429867343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3341649249 + 96040000 = 57807^2 + 9800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3437689249 - 2⁵ = 3437689217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3437689249.

It is not a weakly prime, because it can be changed into another prime (3437689219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718844624 + 1718844625.

It is an arithmetic number, because the mean of its divisors is an integer number (1718844625).

Almost surely, 2^3437689249 is an apocalyptic number.

It is an amenable number.

3437689249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3437689249 is an equidigital number, since it uses as much as digits as its factorization.

3437689249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 55.

The square root of 3437689249 is about 58631.8108964750. The cubic root of 3437689249 is about 1509.2303797008.

The spelling of 3437689249 in words is "three billion, four hundred thirty-seven million, six hundred eighty-nine thousand, two hundred forty-nine".